신호code; sign 신호등traffic light; traffic signal 통신communication; correspondence 확신belief; conviction; confidence 미신superstition 발신mailing; sending; transmission 발신인addresser; sender 수신인addressee 신념belief; faith; conviction 신뢰trust; faith

담임homeroom teacher; being in charge of class 임무mission; duty; assignment 책임duty; responsibility; obligation 책임감sense of responsibility 책임자person in charge 초임first post; first duty 취임inauguration; taking office 취임사inaugural address; inauguration speech 취임식inauguration; inaugural ceremony 퇴임retirement